by Anne Harding
FEATURE	Blast How 90,000 lines of code helped spark the bioinformatics explosion Email: Anne Harding - aharding@the-scientist.com The Scientist 2005, 19(16):21 Published   29 August 2005

You've just cloned and sequenced a gene, but you don't know what it does. Now what do you do? In the absence of functional clues, it's hard to know where to start. One approach is to ask what other known sequences are similar to yours, thereby inferring function from homology.

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